25613164460552 has 8 divisors (see below), whose sum is σ = 48024683363550. Its totient is φ = 12806582230272.

The previous prime is 25613164460531. The next prime is 25613164460563. The reversal of 25613164460552 is 25506446131652.

It can be written as a sum of positive squares in only one way, i.e., 24745311985156 + 867852475396 = 4974466^2 + 931586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 25613164460552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600822778777 + ... + 1600822778792.

Almost surely, 2^{25613164460552} is an apocalyptic number.

It is an amenable number.

25613164460552 is a deficient number, since it is larger than the sum of its proper divisors (22411518902998).

25613164460552 is a wasteful number, since it uses less digits than its factorization.

25613164460552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201645557575 (or 3201645557571 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 25613164460552 in words is "twenty-five trillion, six hundred thirteen billion, one hundred sixty-four million, four hundred sixty thousand, five hundred fifty-two".